From: Hannes Reinecke <hare@suse.de>
To: Akinobu Mita <akinobu.mita@gmail.com>, linux-scsi@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>,
Christoph Hellwig <hch@lst.de>,
"James E.J. Bottomley" <JBottomley@parallels.com>
Subject: Re: [PATCH v3 4/4] scsi: esp_scsi: adjust module reference for scsi host
Date: Mon, 12 Jan 2015 10:18:51 +0100 [thread overview]
Message-ID: <54B3917B.7010406@suse.de> (raw)
In-Reply-To: <1420984206-22341-5-git-send-email-akinobu.mita@gmail.com>
On 01/11/2015 02:50 PM, Akinobu Mita wrote:
> While accessing a scsi device on host adapter supported by sub driver for
> the ESP chip (mac_esp, am53c974, sun_esp, jazz_esp, sun3x_esp), the module
> reference count is not incremented. Because these drivers allocate scsi
> hosts with scsi_esp_template defined in ESP SCSI driver core module. So
> these drivers always can be unloaded.
>
> This fixes it by passing correct module reference to newly introduced
> scsi_esp_host_alloc() so that .module field in struct Scsi_Host can be
> adjusted.
>
> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
> Cc: "David S. Miller" <davem@davemloft.net>
> Cc: Hannes Reinecke <hare@suse.de>
> Cc: Christoph Hellwig <hch@lst.de>
> Cc: "James E.J. Bottomley" <JBottomley@parallels.com>
> Cc: linux-scsi@vger.kernel.org
> ---
> New patch from v3
>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Cheers,
Hannes
--
Dr. Hannes Reinecke zSeries & Storage
hare@suse.de +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
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next prev parent reply other threads:[~2015-01-12 9:18 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-11 13:50 [PATCH v3 0/4] scsi: ufs & ums-* & esp_scsi: fix module reference counting Akinobu Mita
[not found] ` <1420984206-22341-1-git-send-email-akinobu.mita-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-01-11 13:50 ` [PATCH v3 1/4] scsi: add ability to adjust module reference for scsi host Akinobu Mita
[not found] ` <1420984206-22341-2-git-send-email-akinobu.mita-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-01-12 9:17 ` Hannes Reinecke
2015-01-11 13:50 ` [PATCH v3 2/4] scsi: ufs: " Akinobu Mita
2015-01-11 13:50 ` [PATCH v3 3/4] usb: storage: " Akinobu Mita
2015-01-11 13:50 ` [PATCH v3 4/4] scsi: esp_scsi: " Akinobu Mita
2015-01-11 17:55 ` David Miller
2015-01-12 9:18 ` Hannes Reinecke [this message]
2015-01-12 9:36 ` [PATCH v3 0/4] scsi: ufs & ums-* & esp_scsi: fix module reference counting Christoph Hellwig
[not found] ` <20150112093610.GA25942-jcswGhMUV9g@public.gmane.org>
2015-01-13 13:57 ` Akinobu Mita
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